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2011, ABP Marine Environmental Research Ltd., Direct and Indirect Impacts of Aggregate Dredging

2011, ABP Marine Environmental Research Ltd., Direct and Indirect Impacts of Aggregate Dredging

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Benthic Ecology
Sedimentology

Description

Approximately 20 million tonnes of sand and gravel are dredged from the seabed
in England and Wales each year. The area of seabed dredged in 2008 was around
138 km2 representing a tiny overall proportion of the UK Continental Shelf (around
0.01%). The industry provides major economic and social benefits through its overall
contribution to the UK economy, sustainability and its role of beach replenishment in
flood protection.
This monograph considers the direct and indirect impacts that arise from aggregate
dredging on the physical environment, marine wildlife, historic deposits and other
marine users. It is concluded that, in a regional context, the impacts arising from
individual aggregate dredging areas are likely to be not significant as they are
minimised through management and mitigation measures by the planning process.
Further research is required to assess cumulative impacts and evaluate impacts on
ecosystem function in light of these.

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